Pitch and Frequency
Physics ⇒ Waves and Sound
Pitch and Frequency starts at 7 and continues till grade 12.
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See sample questions for grade 8
A guitar string vibrates 440 times per second. What is its frequency?
A sound wave completes 600 cycles in 3 seconds. What is its frequency?
A sound wave has a frequency of 1,000 Hz. How many cycles does it complete in 0.5 seconds?
A sound wave has a frequency of 2,000 Hz. What is its period?
A sound wave has a frequency of 250 Hz. What is its period?
A sound wave has a frequency of 500 Hz. How many vibrations does it make in 2 seconds?
A sound wave has a period of 0.01 seconds. What is its frequency?
Describe the difference between pitch and loudness.
Describe what happens to the pitch of a sound if its frequency is doubled.
Explain why a child’s voice usually has a higher pitch than an adult’s voice.
Explain why a thick string on a guitar produces a lower pitch than a thin string.
If a sound has a high frequency, what can you say about its pitch?
If a sound wave has a frequency of 50 Hz, what is its period?
If a sound wave vibrates 200 times in 4 seconds, what is its frequency?
If the frequency of a sound increases, what happens to its pitch?
If the period of a sound wave is 0.05 seconds, what is its frequency?
What is the relationship between pitch and frequency?
What is the unit of frequency?
Which instrument produces a higher pitch: a flute or a bass drum?
Which property of a sound wave determines its pitch?
